HZB, Berlin, Germany
TH3B1
HZB, Berlin, Germany
| Paper | Title | Page |
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| TU1B1 | A Highly Competitive Non-Standard Lattice for a 4th Generation Light Source With Metrology and Timing Capabilities | 58 |
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| The PTB, Germany’s national institute for standards and metrology, has relied on synchrotron radiation for metrology purposes for over 40 years and the most prominent customers are lithography systems from ASML/ZEIS. HZB is now working on a concept for a BESSY II successor, based on a 4th generation light source with an emittance of 100 pmrad @ 2.5 GeV. It is essential, that this new facility continues to serve the PTB for metrology purposes. This sets clear boundary conditions for the lattice design, in particular, the need for homogeneous bends as metrological radiation sources. Different Higher-Order-Multi-Bend-Achromat lattices have been developed, based on combined function gradient bends and homogeneous bends in a systematic lattice design approach. All lattices are linearly equivalent with the same emittance and maximum field strength. However, they differ significantly in their non-linear behavior. Based on this analysis, the choice of the BESSY III lattice type is motivated. A special focus is set also on TRIBs (Transverse Resonance Island Buckets) to operate with two orbits as a bunch separation scheme in MBAs, for different repetition rates or for the separation of short and long bunches. | ||
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Slides TU1B1 [7.584 MB] | |
| DOI • | reference for this paper ※ doi:10.18429/JACoW-FLS2023-TU1B1 | |
| About • | Received ※ 23 August 2023 — Revised ※ 28 August 2023 — Accepted ※ 30 August 2023 — Issued ※ 02 December 2023 | |
| Cite • | reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml) | |
TH3B1 |
Development of the In-vacuum APPLE II Undulators at HZB | |
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| HZB is working on a concept for BESSY III, the successor to BESSY II. It is planned to be a 4th generation synchrotron light source with an emittance of about 100 pm rad and an energy of 2.5 GeV. BESSY III will be equipped with advanced undulators to provide users with tailor-made light. Since polarisation control in the soft X-ray region is important for BESSY users, a variety of APPLE II undulators are planned, such as conventional (in-air), in-vacuum, cryogenic in-vacuum and double-period in-vacuum APPLE undulators (DoPUs). HZB has a long and successful tradition in the design, construction, and operation of conventional APPLE II devices. Currently, the first in-vacuum APPLE II undulator (IVUE32) is being built at HZB. In addition, the technical design of the cryogenic version of the In-Vacuum APPLE II (Cryo-APPLE) is progressing; construction will start at HZB in the next few years. This paper reports on the status of the In-Vacuum APPLE II and the Cryo-APPLE and outlines future development plans. | ||
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Slides TH3B1 [6.205 MB] | |
| Cite • | reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml) | |